package io;

import java.io.*;
import java.nio.charset.StandardCharsets;

public class ISRDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis =new FileInputStream("");
        InputStreamReader isr = new InputStreamReader(fis, StandardCharsets.UTF_8);
        int d;
        while ((d=isr.read())!=-1){
            System.out.println(d);
        }
        isr.close();
    }
}
